//Attribut float pour les float selon ie mozilla
ATTRFLOAT = (!window.getComputedStyle ) ? 'styleFloat' : 'cssFloat';


if (!rialto.effect) rialto.effect = {};

rialto.effect.opacity = function (oHtml,level) {
	oHtml.style.filter  = "alpha(opacity:"+ (level*100)+")";
    oHtml.style.opacity = level;
}
